/*********************************************************************
*
* Software License Agreement (BSD License)
*
*  Copyright (c) 2010, Heriot-Watt University, UK.
*  All rights reserved.
*
*  Redistribution and use in source and binary forms, with or without
*  modification, are permitted provided that the following conditions
*  are met:
*
*   * Redistributions of source code must retain the above copyright
*     notice, this list of conditions and the following disclaimer.
*   * Redistributions in binary form must reproduce the above
*     copyright notice, this list of conditions and the following
*     disclaimer in the documentation and/or other materials provided
*     with the distribution.
*   * Neither the name of the Heriot-Watt University nor the names of 
*     its contributors may be used to endorse or promote products 
*     derived from this software without specific prior written
*     permission.
*
*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
*  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
*  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
*  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
*  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
*  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
*  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
*  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
*  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
*  POSSIBILITY OF SUCH DAMAGE.
*
*  Author: Joel Cartwright
*
*********************************************************************/

#include <iostream>

using namespace std;

#include <signal.h>
#include <stdlib.h>
#include <time.h>

#include <osl_core/ProcessWatcher.h>

// ---------------------------------------------------------------------------
void signalHandler(int sig)
{
	cout << "Caught signal " << sig << " - ignoring." << endl;
}

// ---------------------------------------------------------------------------
int main(int argc, char **argv)
{
	osl_core::ProcessWatcher::init();

	srand(time(NULL));

	if (rand() % 2) {
		cout << getpid() << " Installing signal handler to ignore SIGTERM and SIGINT." << endl;
		signal(SIGTERM, signalHandler);
		signal(SIGINT, signalHandler);
	}

	for (int i = 0; i < 50; ++i) {
		cout << getpid() << " Core running " << i << endl;
		usleep(200000);
	}

	int retval = 0;

	switch (rand() % 4) {
	case 0:
	{
		retval = 0;
		break;
	}
	case 1:
	{
		retval = -3;
		break;
	}
	case 2:
	{
		cout << getpid() << " Causing divide by zero error." << endl;
		int x = 0;
		cout << "Bad " << (1/x) << endl;
		break;
	}
	default:
	{
		cout << getpid() << " Causing segfault error." << endl;
		int *a = 0;
		*a = 1;
		break;
	}
	}

	cout << getpid() << " Returning " << retval << endl;

	return retval;
}
